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4I2I

Binary complex of mouse TdT with AP5A

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003887molecular_functionDNA-directed DNA polymerase activity
A0006281biological_processDNA repair
A0016779molecular_functionnucleotidyltransferase activity
A0034061molecular_functionDNA polymerase activity
Functional Information from PDB Data
site_idAC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE AP5 A 601
ChainResidue
AGLY332
AGLY449
ATRP450
AARG454
AGLU457
AZN602
AMG609
AHOH730
AHOH747
AHOH800
AGLY333
AARG336
AGLY341
AHIS342
AASP343
AASP345
APHE405
AASP434

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 602
ChainResidue
AASP343
AASP345
AASP434
AAP5601
AMG609

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 603
ChainResidue
AHIS416
AHOH802
AHOH803
AHOH804

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 604
ChainResidue
AGLU307
AHIS412
AHOH798
AHOH863

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN A 605
ChainResidue
AGLU183
AHIS466
AHOH807

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE ZN A 606
ChainResidue
AGLU264
AHOH796

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN A 607
ChainResidue
AASP473
AHIS475
AHOH775

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN A 608
ChainResidue
AASP179
ACYS188
AGLU230

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 609
ChainResidue
AASP343
AASP345
AAP5601
AZN602
AHOH730

Functional Information from PROSITE/UniProt
site_idPS00522
Number of Residues20
DetailsDNA_POLYMERASE_X DNA polymerase family X signature. GGFrRGkmtGhDVDFLItsP
ChainResidueDetails
AGLY332-PRO351

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsRegion: {"description":"Involved in DNA binding","evidences":[{"source":"PubMed","id":"11823435","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23856622","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4I2B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I2C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I2D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I2E","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1JMS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4I2B","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 632
ChainResidueDetails
AASP343metal ligand
AASP345metal ligand
AASP434metal ligand, proton acceptor, proton donor

248636

PDB entries from 2026-02-04

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